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English definition of “beast”

beast

noun [C]     /biːst/
formal an animal, especially a large or wild one: a wild beast The room wasn't fit for man or beast.General and informal words for animals old-fashioned an unpleasant, annoying, or cruel person: He was a beast to her throughout their marriage.Unpleasant people in generalUnpleasant men
(Definition of beast noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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